3-Coil 480V Motor Starting Autotransformer

SKU # MIT-MSA-101

IN STOCK CALL FOR LEAD-TIME 866-719-1882

Delivers in 5-7 business days

kVA (kilo-volt-amperes) is the main power rating used for "sizing" transformers. You can calculate your kVA per the formulas below, or simply use the table below to find your kVA.

3-phase kVA calc: voltage X amperage X 1.732 / 1,000

1-phase kVA calc: voltage X amperage / 1,000

	15 kVA	30 kVA	45 kVA	75 kVA	112.5 kVA	150 kVA	225 kVA	300 kVA	500 kVA	750 kVA	1000 kVA
208V	42A	83A	125A	208A	312A	416A	625A	833A	1388A	2082A	2776A
240V	36A	72A	108A	180A	271A	361A	541A	722A	1203A	1804A	2406A
380V	23A	46A	68A	114A	171A	228A	342A	456A	760A	1140A	1519A
400V	22A	43A	65A	108A	162A	217A	325A	433A	722A	1083A	1443A
416V	21A	42A	62A	104A	156A	208A	312A	416A	694A	1041A	1388A
480V	18A	36A	54A	90A	135A	180A	271A	361A	601A	902A	1203A
600V	14A	29A	43A	72A	108A	144A	217A	289A	481A	722A	962A

V = volts, A = amps

	10 kVA	15 kVA	25 kVA	37.5 kVA	50 kVA	75 kVA	100 kVA	167 kVA	250 kVA	333 kVA
120V	83A	125A	208A	313A	417A	625A	833A	1392A	2083A	2775A
240V	42A	63A	104A	156A	208A	313A	417A	696A	1042A	1388A
277V	36A	54A	90A	1354A	181A	271A	361A	603A	903A	1202A
480V	21A	31A	52A	784A	104A	156A	208A	348A	521A	694A

V = volts, A = amps

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400 HP and below kept IN STOCK, call to check availability over 400 HP

Standard Features:

Duty: Medium Duty
Phase: 3
Coils: 3 Coils
Taps: 50%, 65%, 80%, 100%
Frequency: 60Hz
Material: Copper
Insulation Class: 220°C
Approval: CSA, UL

Need something different? Contact us for a custom quote: websales@maddoxtransformer.com

Shipping Rates
Shipping rates vary, but generally range between 5-10% of the total purchase price.

Shipping From
Transformers shipping from stock deliver within 3-5 business. Maddox has 22 regional fulfillment centers so delivery is never a few days out!

Maddox Fulfillment Centers

Returns
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. We still may be interested in buying the unit back.

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Read more here: Shipping, Return and Refund Policy

5 Year Warranty

Buy with confidence. All new and used Maddox transformers are tested and come with a full 5 year warranty against defects. If you experience any problems just give us a call and receive a replacement, free of charge. We'll even pay the shipping!